/* 重置默认样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
a { text-decoration: none; }
body { font-family: Arial, sans-serif; background-color: #f8f9fa; color: #202124; line-height: 1.6; }
header { background-color: white; box-shadow: 0 2px 4px rgba(0,0,0,0.1); padding: 16px 0; position: sticky; top: 0; z-index: 100; }
/* * { border: 1px solid red !important; } */
.header-content { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
main { min-height: 800px; margin: 0 auto; min-width: 1200px; }
.logo { font-size: 24px!important; font-weight: bold!important; color: #33aeff !important; text-decoration: none; }
.logo h1 { font-size: 24px!important; font-weight: bold!important; color: #33aeff !important; text-decoration: none; }
nav { flex: 1; margin-top: 12px; }
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 22px; }
nav ul li a { text-decoration: none; color: #5f6368; font-size: 14px; transition: color 0.3s; }
nav ul li a:hover { color: #1a73e8; }
.hero { background: linear-gradient(135deg, #1a73e8, #48b6ff) !important; color: white; padding: 20px 0; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; padding: 0 20px; }
.hero h1 { font-size: 48px; font-weight: 400; margin-bottom: 24px; }
.hero p { font-size: 20px; margin-bottom: 12px; }
.btn { display: inline-block; background-color: #fff; color: #1a73e8; padding: 12px 16px; border-radius: 4px; text-decoration: none; font-weight: 500; transition: box-shadow 0.3s; }
.btn:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.features { max-width: 1200px; margin: 12px auto; padding: 0; }
.section-title { text-align: center; font-size: 32px; font-weight: 400; margin-bottom: 60px; color: #202124; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.feature-card { background: white; border-radius: 8px; padding: 10px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); transition: box-shadow 0.3s; text-align: center; }
.feature-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.feature-icon { font-size: 48px; margin-bottom: 24px; color: #1a73e8; }
.feature-card h3 { font-size: 18px; font-weight: 500; margin-bottom: 12px; color: #202124; }
.feature-card p { color: #5f6368; font-size: 14px; }
.cta { background-color: #f8f9fa; padding: 30px 0; text-align: center; }
.cta-content { max-width: 800px; margin: 0 auto; padding: 0 10px; }
.cta h2 { font-size: 36px; font-weight: 400; margin-bottom: 24px; color: #202124; }
.cta p { font-size: 18px; margin-bottom: 32px; color: #5f6368; }
.copyright { width: 100%; text-align: center; color: #70757a; padding: 12px 0; font-size: 14px; }
.container2 { width: 1200px; }
.container3 { width: 1400px; margin: 0 auto; }
/* SimLabs Global Footer */
.simlabs-footer-links { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; padding: 0 0 18px; margin-bottom: 16px; border-bottom: 1px solid #e5e7eb; }
.simlabs-footer-links h4 { margin: 0 0 10px; font-size: 15px; color: #111827; }
.simlabs-footer-links ul { margin: 0; padding: 0; list-style: none; }
.simlabs-footer-links li { margin: 8px 0; }
.simlabs-footer-links a { color: #4b5563; text-decoration: none; }
.simlabs-footer-links a:hover { color: #1d4ed8; }
.footer-content { margin: 0 auto; padding: 18px 20px 24px; background-color: #fff !important; }

@media handheld, only screen and (max-width: 980px),only screen and (device-width: 768px){
    .header-content { max-width: 100%; flex-direction: column; }
    main {  min-width: 100%; }
    .hero-content { max-width: 100%; padding: 0 5px; }
    .features { max-width: 100%; margin: 5px auto; }
    .cta-content { max-width: 100%; padding: 0 5px; } 
    .container2 { width: 100%; }
    .container3 { width: 100%; }
    .hero.simlabs-home-hero h1 { margin:5px; font-size: 26px; }
    .menuwrap { display: none; }
}